Finding the Fourth Proportional to 93,936.08, 129,631.80 and 51,493.70
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Solution
The fourth proportional to 93,936.08, 129,631.80 and 51,493.70 is: 71,061.31
Step by Step Solution
- Step 1: Write the proportion equation
93,936.08 : 129,631.80 = 51,493.70 : x - Step 2: Convert to fraction form
93,936.08/129,631.80 = 51,493.70/x - Step 3: Cross multiply
93,936.08x = 129,631.80 × 51,493.70 - Step 4: Simplify right side
93,936.08x = 6,675,221,019.66 - Step 5: Solve for x
x = 6,675,221,019.66/93,936.08 - Step 6: Final answer
x = 71,061.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.